EP0798256A3 - Sheet loading apparatus having means for measuring distance from sheet on tray - Google Patents

Sheet loading apparatus having means for measuring distance from sheet on tray Download PDF

Info

Publication number
EP0798256A3
EP0798256A3 EP97105267A EP97105267A EP0798256A3 EP 0798256 A3 EP0798256 A3 EP 0798256A3 EP 97105267 A EP97105267 A EP 97105267A EP 97105267 A EP97105267 A EP 97105267A EP 0798256 A3 EP0798256 A3 EP 0798256A3
Authority
EP
European Patent Office
Prior art keywords
tray
sheet
unit
sheet loading
distance measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97105267A
Other languages
German (de)
French (fr)
Other versions
EP0798256A2 (en
EP0798256B1 (en
Inventor
Kenichi Iizumi
Hideaki Furukawa
Noriaki Nakazawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Finetech Nisca Inc
Original Assignee
Canon Aptex Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Aptex Inc filed Critical Canon Aptex Inc
Publication of EP0798256A2 publication Critical patent/EP0798256A2/en
Publication of EP0798256A3 publication Critical patent/EP0798256A3/en
Application granted granted Critical
Publication of EP0798256B1 publication Critical patent/EP0798256B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C1/00—Collating or gathering sheets combined with processes for permanently attaching together sheets or signatures or for interposing inserts
    • B42C1/12—Machines for both collating or gathering and permanently attaching together the sheets or signatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
    • B65H43/08—Photoelectric devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/15—Height, e.g. of stack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/24—Post -processing devices
    • B65H2801/27—Devices located downstream of office-type machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

A sheet loading apparatus includes an ejecting unit for ejecting sheets from an image forming apparatus onto a tray, a non-contact distance measuring unit (60) disposed on the tray to measure the distance between the upper surface of the sheet bundle on the tray (24) and a predetermined position, a lifting unit for vertically shifting the tray (24), and a unit for performing sheet loading abnormality detection on the tray (24), vertical shift control for the tray (24), sheet presence/absence detection on the tray (24), and sheet loading amount detection on the tray (24) in accordance with the distance measuring result of the distance measuring unit (60).
EP97105267A 1996-03-28 1997-03-27 Sheet loading apparatus having means for measuring distance from sheet on tray Expired - Lifetime EP0798256B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP74964/96 1996-03-28
JP07496496A JP3585630B2 (en) 1996-03-28 1996-03-28 Sheet post-processing apparatus and image forming apparatus having the same
JP7496496 1996-03-28

Publications (3)

Publication Number Publication Date
EP0798256A2 EP0798256A2 (en) 1997-10-01
EP0798256A3 true EP0798256A3 (en) 1998-02-04
EP0798256B1 EP0798256B1 (en) 2004-06-09

Family

ID=13562506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97105267A Expired - Lifetime EP0798256B1 (en) 1996-03-28 1997-03-27 Sheet loading apparatus having means for measuring distance from sheet on tray

Country Status (4)

Country Link
US (1) US6003861A (en)
EP (1) EP0798256B1 (en)
JP (1) JP3585630B2 (en)
DE (1) DE69729401T2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6231045B1 (en) * 1998-06-12 2001-05-15 Ricoh Company, Ltd. Finisher for an image forming apparatus
US6585344B2 (en) * 2001-03-22 2003-07-01 Hewlett-Packard Development Company, L.P. Systems and methods for automatically detecting a number of remaining sheets of print media
DE10127452A1 (en) * 2001-06-07 2002-12-12 Will E C H Gmbh & Co Method and device for collecting sheets into stacks on a stacking tray
JP2006188325A (en) 2005-01-05 2006-07-20 Kyocera Mita Corp Paper sheet post-processing device
US20070104496A1 (en) * 2005-11-10 2007-05-10 Xerox Corporation Illuminated output presence indicator
DE102008003917B4 (en) 2008-01-10 2022-06-30 Wincor Nixdorf International Gmbh Device and method for level measurement in a valuables container for receiving notes of value
US8308154B2 (en) * 2008-02-25 2012-11-13 Canon Kabushiki Kaisha Image forming apparatus, image forming system, and control method therefor
US8231124B2 (en) * 2009-06-23 2012-07-31 Kyocera Mita Corporation Paper feeding device and image forming apparatus
JP5660315B2 (en) * 2011-02-28 2015-01-28 セイコーエプソン株式会社 Feeding device and recording device provided with the feeding device
US9150382B2 (en) * 2012-04-02 2015-10-06 Alliance Machine Systems International, Llc Apparatus and method for feeding and conveying items
JP2015107840A (en) * 2013-12-03 2015-06-11 京セラドキュメントソリューションズ株式会社 Post-processing device
JP6186307B2 (en) * 2014-06-06 2017-08-23 京セラドキュメントソリューションズ株式会社 Document conveying apparatus and image forming apparatus
JP6478007B2 (en) * 2014-07-17 2019-03-06 セイコーエプソン株式会社 Opening and closing device for opening and closing body and image reading device
EP3200935B1 (en) 2014-10-01 2021-08-25 United States Postal Service Transformable tray and tray system for receiving, transporting and unloading items
US9840379B2 (en) * 2015-05-12 2017-12-12 The United States Postal Service Systems and methods for loading items into a tray
JP6700684B2 (en) * 2015-08-04 2020-05-27 キヤノン株式会社 Sheet discharging device, sheet processing device, and image forming device
USD804822S1 (en) 2016-06-23 2017-12-12 United States Postal Service Transformable tray
US10272698B2 (en) 2016-07-13 2019-04-30 Seiko Epson Corporation Post processing device and printing system
US20180203400A1 (en) * 2017-01-19 2018-07-19 Kabushiki Kaisha Toshiba Post-processing apparatus and control method thereof
CN110536851B (en) * 2017-04-21 2021-01-22 惠普发展公司，有限责任合伙企业 Sensor calibration

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6098451A (en) * 1983-11-04 1985-06-01 Ricoh Co Ltd Copying machine
US5017972A (en) * 1990-05-30 1991-05-21 Xerox Corporation Elevator tray position control apparatus
DE4013423A1 (en) * 1990-04-26 1991-10-31 Stahl Gmbh & Co Maschf Stack scanner for paper sheets on feeder table - contains optical reflex and capacitive sensors for optimal table height control and detection of last sheet
JPH07172684A (en) * 1993-12-15 1995-07-11 Ricoh Co Ltd Paper discharge device
EP0757964A2 (en) * 1995-08-09 1997-02-12 Canon Aptex Kabushiki Kaisha Sheet stacking apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5483275A (en) * 1977-12-14 1979-07-03 Canon Kk Paper surface detector
US4189133A (en) * 1978-11-03 1980-02-19 International Business Machines Corporation Document stacking table lowering method, apparatus and controlling circuitry therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6098451A (en) * 1983-11-04 1985-06-01 Ricoh Co Ltd Copying machine
DE4013423A1 (en) * 1990-04-26 1991-10-31 Stahl Gmbh & Co Maschf Stack scanner for paper sheets on feeder table - contains optical reflex and capacitive sensors for optimal table height control and detection of last sheet
US5017972A (en) * 1990-05-30 1991-05-21 Xerox Corporation Elevator tray position control apparatus
JPH07172684A (en) * 1993-12-15 1995-07-11 Ricoh Co Ltd Paper discharge device
EP0757964A2 (en) * 1995-08-09 1997-02-12 Canon Aptex Kabushiki Kaisha Sheet stacking apparatus

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"Fotoelektrische Steuerung von Papier- und Pappenstapeln", ELEKTROTECHNIK., no. 33, 12 October 1966 (1966-10-12), WURZBURG DE, XP002034148 *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 246 (P - 393) 3 October 1985 (1985-10-03) *
PATENT ABSTRACTS OF JAPAN vol. 095, no. 010 30 November 1995 (1995-11-30) *

Also Published As

Publication number Publication date
JPH09263355A (en) 1997-10-07
EP0798256A2 (en) 1997-10-01
JP3585630B2 (en) 2004-11-04
EP0798256B1 (en) 2004-06-09
DE69729401D1 (en) 2004-07-15
DE69729401T2 (en) 2005-06-30
US6003861A (en) 1999-12-21

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